US1600496A - Apparatus for electrical precipitation of suspended material from gases - Google Patents

Apparatus for electrical precipitation of suspended material from gases Download PDF

Info

Publication number
US1600496A
US1600496A US677474A US67747423A US1600496A US 1600496 A US1600496 A US 1600496A US 677474 A US677474 A US 677474A US 67747423 A US67747423 A US 67747423A US 1600496 A US1600496 A US 1600496A
Authority
US
United States
Prior art keywords
electrode
plates
electrodes
collecting
flues
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US677474A
Other languages
English (en)
Inventor
Charles H Weiskopf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Precipitation Co
Original Assignee
International Precipitation Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Precipitation Co filed Critical International Precipitation Co
Priority to US677474A priority Critical patent/US1600496A/en
Priority to DEM87269D priority patent/DE438498C/de
Priority to AT104648D priority patent/AT104648B/de
Application granted granted Critical
Publication of US1600496A publication Critical patent/US1600496A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/74—Cleaning the electrodes
    • B03C3/76—Cleaning the electrodes by using a mechanical vibrator, e.g. rapping gear ; by using impact

Definitions

  • Such precipitating ap paratus also comprises discharge electrodes extending in said pipes or flues, a being maintained electrodes and the opposing which serve as c to effect the electri pipes or flues, trodes, so as tatmg operation.
  • the main object of the is to provide for suitable high p otential difference between said discharge walls of the ollecting eleccal precipipresent invention improved construction of such precipitating apparatus whereby the pipes or flues of the electrical precipitator are constructed at minimum expense.
  • an electrical precipitator ple pipe type wherein of the multithe walls or pipes or flues are formed as separate elements capable thereby facilitating the of the electrodes required fo provide improved cleaning means electrical precipitator.
  • Fig. 1 is a plan an electrlcal precipitator
  • Fig. 2 is a side elevation partly in vertical section on the line
  • Fig. 3 is a transverse ver independent vibration or movement, 1arrmg or movement r cleaning the for an wings illustrate em invention and referring view partly in section of 22 in Fig.1.
  • i1 section on line 4-4 in Fig. 4 is a deta Fig. 2.
  • Figs. 5 and 6 are horizontal ing modified arrangements of the members.
  • Figs. 7 and 8 are enlarged plan and ver--.
  • Fig. 10 is a horizontal section of a.1nodi' fication as hereina fter referred to.
  • the inlet 2 is shown the lower portion of the precipL- as entering tating chamber and the said chamber is shown as open to the atmospheric air at its upper end, but it will be understood that any suitable arrangement of the gas supply and delivery means may be provided for conducting the gases vertically through the precipitator chamber in either upward ordownward direction.
  • the precipitator chamber 1 are mounted a plurality of col lecting electrodes in such a manner as to form a plurality of vertical pipes or fines of square cross section.
  • Said electrodes preferably consist of vertical plates 5 of sheet metal having flanges 6 secured thereto and extending at right angles to the sheet metal plates 5.
  • the flanges 6 are of a width nearly equal to the distance
  • llllt are all on alternate plates, the intervening plates indicated at 5 being not flanged.
  • the flanges indicated at 6 are on all the plates but extend only halfway or somewhat less than halfway across the space between the plates, being arranged opposite one another on adjacent plates so as to form a more or less complete partition across the space between the plates.
  • the effect of the flanges 6 is to divide or partition the spaces a series of vertical flues of square cross section, said flues being open at their lower ends into the gas receiving space at the bottom of the precipitator chamber 1 and open at their upper ends into the outer air or the said flanges 6 are equal to the distance between the plates intoas to provide for free into "suitable gas delivering means.
  • each plate 5 may with angle iron plates 7 which serve as substantial closure means for the ends of the respcctii e spaces between the plates and said main plates 5 are further provided at each end with a top angle iron section 8 secured to the angle iron 7 aforesaid, and having its horizontal flange resting on the top of a horizontal beam 9. which is supported by a ver tical bar 10, said bar 10 being secured at its lower end to a supporting beam 11 extending'outside of the precipitator chamber.
  • bar 10 may be connected to the beam 11 by means of bolts 12 extending through openings 13 in the wall of the precipitator, said openings being sufiiciently large to permit free movement of the bolts 12 therein.
  • Suitable packing such as an asbestos plate 14 may extend over these openings and around the bolts 12 to close the joint against leakage of gas.
  • the supporting beams 11 rest freely on brackets 16. see Figs. 1, 2, and 4, extending from the wall or frame of the precipitator and may be connectedtogether at their ends by cross beams 17.
  • the discharge electrode system may com prise vertical discharge electrode members such as wires, rods, or chains 19' extending vertically and axiallywithin the respective vertical fiues aforesaid, and supported at their upper ends on suitable cross bars 20 which are carried by beam 21 (or, in case of a large precipitator, a plurality of such beams) mounted on insulators 22 which are carried by the cross beams 17 aforesaid.
  • suitable cross bars 20 which are carried by beam 21 (or, in case of a large precipitator, a plurality of such beams) mounted on insulators 22 which are carried by the cross beams 17 aforesaid.
  • Any othersuitable construction of the dis charge electrode and supporting means therefor, may however, be used:
  • the discharge electrodes may be spaced or retained in'pos'ition at their lower ends by a spacing frame 23 supported by vertical bars 24.
  • the beams 11 and 17 constitute a supporting frame for the collecting electrodes and the beams 20 and 21 constitute a supporting frame for*the discharge
  • the above described construction provides collecting electrode elements which are assembled to form a plurality of vertical flues arranged in compact order with no waste spaces between the flues and at the same time a certain amount of freedom of movement is provided for the electrode elements whereby ,they-may be readily jarred or agitated for the purpose of removing deposited material therefrom.
  • a hammer pact member shown as 26 may be pivotally mounted at 27 on the supporting beam 11 at each side of precipitator chamber 1, said hammer being adapted to be operated in the collecting electrode may be provided for or 'immanner of a pendulum and to strike the.
  • the hammers 26 aforesaid may be operated either manually or mechanically as may be desired.
  • the flanges 6 aforesaid forming the cross walls or partitions are preferably made somewhat shorter than the distance between themain electrode plates 5 as above stated so as to permit gas to pass between the edges of the flanges nd adjacent plates and thereby equalize t pressure and the gas velocity through th fines of the precipitator.
  • the main electrode plates I may provide straps flanges 6 and projecting beyondthe outer edges thereof, so as to touch or approach closely to the opposing electrode plates 5, said flanges being, however, unattached at their outer edges to permit free vlbration of the flanges and plates.
  • said straps may be guided in U-shaped lugs 29 on the opposing plates (as shown in Fig 10) in such manner that lateral deforma- 125- 30 attached to the respective to the opposing plates, so as plates 5 with these straps, said straps also serving as reinforcing or stiffening means for the said flanges.
  • Suitable electric connections are provided for maintaining the high potential difference between the discharge electrode system and the collecting electrode system, the collecting electrode system being for example grounded but the discharge electrode system being connected through a suitable rectifying means to the high tension side of a stepup transformer for example as set forth in U. S. patent to F. G. Cottrell, No. 895,729., August 11, 1908. v
  • the gas to be treated is passed vertically through the precipitator flues aforesaid and is subjected to the action of an electrical field produced in said flues between the discharge electrodes and thecollecting electrodes with the result that solid or liquid material suspended in the gases collects on the walls of the sa d flues and in case, of materhl deposited 1n this manner is solid and adherent to the electrodes it may be dislodged from time to time by operation of the jarring means above described.
  • the loose mounting of the electrode plate members 5 on the supporting beams 9 and. the loose mounting of the-supporting beams 11 on the supports enables-free jarring or free vibration of both the collecting electrode system and the discharge electrode system by the operation of the hammer means.
  • a plurality of collecting electrode members formed as parallel vertical plates flanges extending transversely thereto, and dividing the spaces between said plates into vertical flues, said flanges being free from attachment at their outer edges to said plates, so as to permit of free vibration of said plates and of the flanges thereon.
  • a gas receiving chamber parallel vertical plates mounted in said chamber and having vertical flanges, said plates and the said flanges thereon dividing the interior of said chamber into a plurality of vertical flues and said flanged plates forming collecting electrodes, and being mounted independently of one another to provide for free viv bration thereof;
  • An electrical precipitator comprising a gas rece1vmg chamber, aplurahty of collecting electrode members 1ndependently mounted in said chamber and formed with vertical portions extending transversely to one another to form a plurality of collecting electrode flues, and insulated discharge electrodes mounted in such a manner as to extend Within said collecting electrode flues, said members being sufliciently separated to provide for free vibration thereof.
  • An electrical recipitator comprising a gas receiving cham er, a plurality of collecting electrode members independently mounted in said chamber-and formed with vertical portions extending transversely to oneanother to form a plurality of collecting electrode flues, and insulated discharge electrodes mounted in such a manner as to cx, tend Within said collecting electrode flues, said members being sufficiently separated to provide for free vibration thereof, and also to provide for circulation of gas between adjacent flues.
  • an electrode supporting frame mounted to rest freely on said supporting means, collecting electrodes carried by said supporting frame, insulators carried by said supporting frame, a discharge electrode supporting frame mounted on said insulators whereby jarring of said supporting frame operates to jar both the collecting electrodes and the discharge electrodes.
  • an electrode supporting frame resting for free movement on said supportv ing means, collecting electrodes supported freely by said electrode supporting frame so as to enable free vibration of said collecting electrodes, and means for jarring said supporting frame.
  • An electrical preclpitating apparatus comprising a gas receiving chamber, supports located outside of said chamber, an electrode supporting frame extending outside of said chamber and resting freely on said supports, means connected to said electrode supporting frame and extending within said chamber and provided with collecting electrode supports, a plurality of collecting electrodes independently mounted on said collecting electrode supports and resting freely thereon to provide for free vibration of said collecting electrodes, and closure means for preventing leakage of gas where the said electrode support-ing mean-s passes through the wall of the gas receiving chamber.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrostatic Separation (AREA)
  • Treating Waste Gases (AREA)
US677474A 1923-11-28 1923-11-28 Apparatus for electrical precipitation of suspended material from gases Expired - Lifetime US1600496A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US677474A US1600496A (en) 1923-11-28 1923-11-28 Apparatus for electrical precipitation of suspended material from gases
DEM87269D DE438498C (de) 1923-11-28 1924-11-21 Vorrichtung zur Abscheidung und Niederschlagung von Schwebekoerpern aus Gasen durch Elektrizitaet
AT104648D AT104648B (de) 1923-11-28 1924-11-24 Vorrichtung zur Abscheidung und Niederschlagung von Schwebekörpern aus Gasen durch Elektrizität.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US677474A US1600496A (en) 1923-11-28 1923-11-28 Apparatus for electrical precipitation of suspended material from gases

Publications (1)

Publication Number Publication Date
US1600496A true US1600496A (en) 1926-09-21

Family

ID=24718861

Family Applications (1)

Application Number Title Priority Date Filing Date
US677474A Expired - Lifetime US1600496A (en) 1923-11-28 1923-11-28 Apparatus for electrical precipitation of suspended material from gases

Country Status (3)

Country Link
US (1) US1600496A (de)
AT (1) AT104648B (de)
DE (1) DE438498C (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509901A (en) * 1944-08-29 1950-05-30 Smidth & Co As F L Electric precipitating apparatus
US2555339A (en) * 1946-08-27 1951-06-05 Research Corp Disposable electrode assembly
US2722992A (en) * 1954-02-10 1955-11-08 Research Corp Rapping device
US3200565A (en) * 1961-07-12 1965-08-17 Svenska Flaektfabriken Ab Electrostatic precipitators
US3678653A (en) * 1970-05-11 1972-07-25 Elmer W Buschman Electrostatic precipitator
US4007023A (en) * 1974-07-12 1977-02-08 Metallgesellschaft Aktiengesellschaft Electrostatic precipitator with collector-electrode spacers
US4478614A (en) * 1982-12-03 1984-10-23 Jonelis John A Electrostatic precipitator construction having spacers
US4479813A (en) * 1982-11-29 1984-10-30 Jonelis John A Electrostatic precipatator construction having ladder bar spacers
US4647296A (en) * 1985-11-08 1987-03-03 Mississippi Power Company Spacers for straightening warped precipitator curtains
US4765802A (en) * 1987-07-15 1988-08-23 Wheelabrator Air Pollution Control Inc. Electrostatic precipitator plate spacer and method of installing same
USRE32767E (en) * 1982-11-29 1988-10-18 Electrostatic precipitator construction having ladder bar spacers
US5529608A (en) * 1985-05-13 1996-06-25 Jonelis; John A Spacer assembly for use in electrostatic precipitator

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1004143B (de) * 1952-04-18 1957-03-14 Metallgesellschaft Ag Rund-Elektrofilter
DE1164379B (de) * 1956-12-06 1964-03-05 Apra Precipitator Corp Elektrostatischer Staubabscheider
AT13007U1 (de) * 2010-06-18 2013-03-15 Scheuch Gmbh Elektrofilter zum reinigen staubbeladener abgase und verfahren zum abreinigen eines elektrofilters

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509901A (en) * 1944-08-29 1950-05-30 Smidth & Co As F L Electric precipitating apparatus
US2555339A (en) * 1946-08-27 1951-06-05 Research Corp Disposable electrode assembly
US2722992A (en) * 1954-02-10 1955-11-08 Research Corp Rapping device
US3200565A (en) * 1961-07-12 1965-08-17 Svenska Flaektfabriken Ab Electrostatic precipitators
US3678653A (en) * 1970-05-11 1972-07-25 Elmer W Buschman Electrostatic precipitator
US4007023A (en) * 1974-07-12 1977-02-08 Metallgesellschaft Aktiengesellschaft Electrostatic precipitator with collector-electrode spacers
US4479813A (en) * 1982-11-29 1984-10-30 Jonelis John A Electrostatic precipatator construction having ladder bar spacers
USRE32767E (en) * 1982-11-29 1988-10-18 Electrostatic precipitator construction having ladder bar spacers
US4478614A (en) * 1982-12-03 1984-10-23 Jonelis John A Electrostatic precipitator construction having spacers
US5529608A (en) * 1985-05-13 1996-06-25 Jonelis; John A Spacer assembly for use in electrostatic precipitator
US4647296A (en) * 1985-11-08 1987-03-03 Mississippi Power Company Spacers for straightening warped precipitator curtains
US4765802A (en) * 1987-07-15 1988-08-23 Wheelabrator Air Pollution Control Inc. Electrostatic precipitator plate spacer and method of installing same

Also Published As

Publication number Publication date
AT104648B (de) 1926-11-10
DE438498C (de) 1926-12-20

Similar Documents

Publication Publication Date Title
US1600496A (en) Apparatus for electrical precipitation of suspended material from gases
DK2471602T3 (en) Electrical shielding device for structures near high voltage parts of electrostatic precipitators
US1345790A (en) Electrical deposition of particles from gases
US3282029A (en) Emitting electrode construction for electrostatic separators
US3896347A (en) Corona wind generating device
US1343482A (en) Apparatus for separating suspended particles from gases
US2225677A (en) Method and apparatus for electrical precipitation
US2380992A (en) Electrical dust-precipitator system and interchangeable parts therefor
US2665770A (en) Electrostatic precipitator
US1381660A (en) Method of removing solids suspended in moving gases
US2567709A (en) Electrical precipitator with dual discharge electrodes
US1325136A (en) bradley
US2488712A (en) Electrical dust-precipitating unit
US2476248A (en) Electrical precipitator
US2608266A (en) Gas flow control for electrical precipitators and the like
JPH084764B2 (ja) 電気集塵装置
US1035422A (en) Apparatus for separating suspended particles from gaseous bodies.
US3113852A (en) Cleaning means for channel-shaped dust collecting electrodes
US4332597A (en) Plate electrode arrangement for an electrostatic precipitator
US2735509A (en) Electrostatic precipitator
US1584055A (en) Apparatus for electrical precipitation of suspended material from gases
US3553939A (en) Electro static precipitator having means to support the collecting electrodes
US1444997A (en) Apparatus for the electrical separation of suspended material from gases
US1903640A (en) Electrical precipitator
US1810614A (en) Apparatus for electrical separation of suspended material from gases